4/9. Live from Birmingham, this programme reports on the residents' progress in their quest for healthier lives.
Reporter Georgie Windsor finds out what is in the food we give our children and teacher Chris Lewis gets a lesson in how to eat healthily on the run. Presented by Matt Allwright. Fat Nation on Three follows on BBC3.
Series producer Virginia Hill; Executive producer Lisa Ausden BBCi: digital viewers can access extra features via their handset's red button RT DIRECT: book, £10.99 incl p&p. Send a cheque, payable to Radio Times, to: RT Book Offers, [address removed], or call [number removed] Big Challenge pack available, E3.99, including pedometer. Call [number removed]